The package contains everything you need to build a computerized talking door alarm. -22-page book filled with fascinating facts about security systems -2 key cards with stickers -Circuit board with components you connect yourself-just twist wires -Case Burglars beware! The alarm voice declares "Keep Out!" before the siren sounds. Swipe the special key to turn your alarm on. Swipe the key again to turn it off!
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Book Description Not Avail. Hardcover. Book Condition: New. Bookseller Inventory # P110439668352
Book Description Not Avail. Hardcover. Book Condition: New. Bookseller Inventory # DADAX0439668352